bridge_map.cpp File Reference

Map accessor functions for bridges. More...

#include "stdafx.h"
#include "landscape.h"
#include "tunnelbridge_map.h"
#include "safeguards.h"

Go to the source code of this file.

Functions
static TileIndex	GetBridgeEnd (TileIndex tile, DiagDirection dir)
	Finds the end of a bridge in the specified direction starting at a middle tile.
TileIndex	GetNorthernBridgeEnd (TileIndex t)
	Finds the northern end of a bridge starting at a middle tile.
TileIndex	GetSouthernBridgeEnd (TileIndex t)
	Finds the southern end of a bridge starting at a middle tile.
TileIndex	GetOtherBridgeEnd (TileIndex tile)
	Starting at one bridge end finds the other bridge end.
int	GetBridgeHeight (TileIndex t)
	Get the height ('z') of a bridge.

Detailed Description

Map accessor functions for bridges.

Definition in file bridge_map.cpp.

Function Documentation

GetBridgeEnd()

static TileIndex GetBridgeEnd ( TileIndex  tile, DiagDirection  dir  )

static

Finds the end of a bridge in the specified direction starting at a middle tile.

Parameters

tile	the bridge tile to find the bridge ramp for
dir	the direction to search in

Definition at line 22 of file bridge_map.cpp.

References GetTunnelBridgeDirection(), IsBridgeTile(), ReverseDiagDir(), and TileOffsByDiagDir().

Referenced by GetNorthernBridgeEnd(), GetOtherBridgeEnd(), and GetSouthernBridgeEnd().

GetBridgeHeight()

int GetBridgeHeight

(

TileIndex

t

)

Get the height ('z') of a bridge.

Parameters

t	the bridge ramp tile to get the bridge height from

Returns

the height of the bridge.

Definition at line 70 of file bridge_map.cpp.

References ApplyFoundationToSlope(), DiagDirToAxis(), GetBridgeFoundation(), GetTileSlopeZ(), and GetTunnelBridgeDirection().

Referenced by CmdBuildBridge(), CmdBuildObject(), CmdTerraformLand(), DoClearBridge(), DrawRailCatenaryRailway(), DrawRoadBits(), DrawRoadTypeCatenary(), GetBridgePixelHeight(), GetTerrainType(), and MarkBridgeDirty().

GetNorthernBridgeEnd()

TileIndex GetNorthernBridgeEnd

(

TileIndex

t

)

Finds the northern end of a bridge starting at a middle tile.

Parameters

t	the bridge tile to find the bridge ramp for

Definition at line 39 of file bridge_map.cpp.

References AxisToDiagDir(), GetBridgeAxis(), GetBridgeEnd(), and ReverseDiagDir().

Referenced by AfterLoadGame(), CmdBuildBridge(), DrawBridgeMiddle(), DrawRailCatenaryRailway(), DrawRoadBits(), DrawRoadTypeCatenary(), and ViewportAddLandscape().

GetOtherBridgeEnd()

TileIndex GetOtherBridgeEnd

(

TileIndex

tile

)

Starting at one bridge end finds the other bridge end.

Parameters

tile	the bridge ramp tile to find the other bridge ramp for

Definition at line 59 of file bridge_map.cpp.

References GetBridgeEnd(), GetTunnelBridgeDirection(), and IsBridgeTile().

Referenced by CmdBuildBridge(), DoClearBridge(), DrawRailCatenaryOnBridge(), FloodVehicles(), CFollowTrackT< Ttr_type_, VehicleType, T90deg_turns_allowed_, Tmask_reserved_tracks >::FollowTileExit(), GetOtherTunnelBridgeEnd(), GetRailTrackBitsUniversal(), and VisitWaterRegionPatchNeighbors().

GetSouthernBridgeEnd()

TileIndex GetSouthernBridgeEnd

(

TileIndex

t

)

Finds the southern end of a bridge starting at a middle tile.

Parameters

t	the bridge tile to find the bridge ramp for

Definition at line 49 of file bridge_map.cpp.

References AxisToDiagDir(), GetBridgeAxis(), and GetBridgeEnd().

Referenced by CmdBuildObject(), CmdTerraformLand(), DrawBridgeMiddle(), and DrawRailCatenaryOnBridge().